MainActivity.java

package com.unpam.AgungRizalSuryoLaksono171011402317;

import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;

public class MainActivity extends Activity implements OnClickListener {
    private String[][] dataUser = {{"ADMIN","ADMIN","Administrator"},
             {"AgungRizalSuryoLaksono","171011402317","Agung Rizal Suryo Laksono - 171011402317"},
             {"user2","password2","Nama User 2"}};
    private EditText userNameET, passwordET;
    private final int SUCCESS=1;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        userNameET = (EditText) findViewById(R.id.userNameEditText);
        passwordET = (EditText) findViewById(R.id.passwordEditText);

        findViewById(R.id.loginButton).setOnClickListener(this);
        findViewById(R.id.tutupButton).setOnClickListener(this);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }

    public void onClick(View v) {
         // TODO Auto-generated method stub
         switch (v.getId()){
            case R.id.loginButton:
                int i=0;
                boolean success=false;

                while ((i<dataUser.length) && (!success)){
                     if((userNameET.getText().toString().equals(dataUser[i][0]))
                             &&
                        (passwordET.getText().toString().equals(dataUser[i][1]))){
                         success=true;
                     } else {
                         i++;
                     }
                }

                 Intent intent;
                 if (success){
                     intent = new Intent(this, SuccessActivity.class);
                     intent.putExtra("namaUser", dataUser[i][2]);
                     startActivityForResult(intent,SUCCESS);
                 } else {
                     intent = new Intent(this, FailedActivity.class);
                     startActivity(intent);
                 }
                 startActivity(intent);
                 break;
            case
                R.id.tutupButton:
                    System.exit(0);
         }
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data){
         switch (requestCode) {
            case SUCCESS:
                userNameET.setText(""); passwordET.setText("");
                break;
         }
     }
}